skin transplantation

例句：

1. 1. The patient underwent a skin transplantation to improve his appearance.
   这名患者进行了一次皮肤移植手术，以改善他的外观。
2. 2. Skin transplantation is a complex procedure that requires precise timing and care.
   皮肤移植是一项复杂的程序，需要精确的时间和护理。
3. 3. The success rate of skin transplantation varies depending on the type of surgery and the patient's health condition.
   皮肤移植的成功率取决于手术类型和患者的健康状况。